Single Family Office

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W Greig & Company

W Greig & Company is a single-family office headquartered in Miami Beach, United States. Founded in 2017, the firm manages capital generated by international...

W Greig & Company

W Greig & Company is a single-family office headquartered in Miami Beach, United States. Founded in 2017, the firm manages capital generated by international equities investor William George Greig and his family across public and private markets. It allocates to private equity, private credit, real estate, natural resources and an internally managed hedge fund that emphasizes female-led issuers—deploying flexible, long-term capital.

General information

Firm type

Single Family Office

Year founded

2017

AUM

Location

Region

Country

United States

City

Miami Beach

Corporate office

Frequently asked questions

What is W Greig & Company?

W Greig & Company is a single family office headquartered in Miami Beach, United States.

When was W Greig & Company founded?

W Greig & Company was founded in 2017.

Where is W Greig & Company headquartered?

W Greig & Company is headquartered in Miami Beach, United States.

What does Altss track for W Greig & Company?

Altss maintains an OSINT-verified profile of W Greig & Company covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.

What type of firm is W Greig & Company?

W Greig & Company is classified by Altss as a Single Family Office, operating from United States.

How does Altss source intelligence on W Greig & Company?

Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.

When was W Greig & Company's Altss profile last updated?

W Greig & Company's profile on Altss was last refreshed on May 29, 2026. Continuous updates are applied as new public information is verified.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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